TB

Thomas J. Butzen

📍 Greenfield, WI: #1 of 13 inventorsTop 8%
🗺 Wisconsin: #541 of 2,194 inventorsTop 25%
Overall (1997): #69,097 of 185,788Top 40%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5678508 Easy clean and change litter box machine — 1997-10-21